- Code: Select all
*-----------*
|719|.3.|...|
|..6|..4|...|
|.3.|5..|...|
|---+---+---|
|4..|.5.|.12|
|..2|.8.|4..|
|35.|.6.|..7|
|---+---+---|
|...|..5|.7.|
|...|8..|3..|
|...|.1.|849|
*-----------*
*-----------*
|719|.3.|...|
|..6|..4|...|
|.3.|5..|...|
|---+---+---|
|4..|.5.|.12|
|..2|.8.|4..|
|35.|.6.|..7|
|---+---+---|
|...|..5|.7.|
|...|8..|3..|
|...|.1.|849|
*-----------*
7 1 9 26 3 8 5 26 4
5 28 6 129 279 4 127 239 138
28 3 4 5 279 169 127 269 168
4 79 8 379 5 379 6 1 2
69 679 2 179 8 179 4 35 35
3 5 1 4 6 2 9 8 7
189 489 3 269 249 5 12 7 16
19 49 7 8 249 69 3 256 156
26 26 5 37 1 37 8 4 9
2r1c8 => r78c1 <> 1
r1c8=2 - r8n2{c8 c5} - r3n2{c5 c1} - c1n8{r3 r7}
r1c8=2 - r1c4{n2 n6} - c6n6{r3 r8} - 15r8c89
=> r1c8 <> 2
ste.
.--------------------------------------------------.
| 7 1 9 |*26 3 8 | 5 *26 4 |
| 5 28 6 | 129 279 4 | 127 239 138 |
| 28 3 4 | 5 279 169 | 127 269 168 |
|----------------+----------------+----------------|
| 4 79 8 | 379 5 379 | 6 1 2 |
| 69 679 2 | 179 8 179 | 4 35 35 |
| 3 5 1 | 4 6 2 | 9 8 7 |
|----------------+----------------+----------------|
| 189 489 3 |*269 249 5 |*12 7 *16 |
| 19 49 7 | 8 249 69 | 3 5-26 156 |
| 26 26 5 | 37 1 37 | 8 4 9 |
'--------------------------------------------------'
+-------------------+--------------------+--------------------+
| 7 1 9 | 26 3 8 | 5 26 4 |
| 5 28 6 | 129 279 4 | 127 a239 138 |
| 28 3 4 | 5 279 169* | 127 a269# 168* |
+-------------------+--------------------+--------------------+
| 4 79 8 | 379 5 379 | 6 1 2 |
| 69 679 2 | 179 8 179 | 4 a3-5 b35 |
| 3 5 1 | 4 6 2 | 9 8 7 |
+-------------------+--------------------+--------------------+
| 189 489 3 | 269 249 5 | 12 7 16* |
| 19 49 7 | 8 249 69* | 3 256* b156# |
| 26 26 5 | 37 1 37 | 8 4 9 |
+-------------------+--------------------+--------------------+
Cenoman wrote:(...)
5-link oddagon (6)r38, c69, b9 (*), having two guardians (#)
(396)r235c8 == (65)r58c9 => -5 r5c8; ste